Home / 122,065.07-182,878.91-43,128.95

Finding the Fourth Proportional to 122,065.07, 182,878.91 and 43,128.95

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Solution

The fourth proportional to 122,065.07, 182,878.91 and 43,128.95 is: 64,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,065.07 : 182,878.91 = 43,128.95 : x
  2. Step 2: Convert to fraction form
    122,065.07/182,878.91 = 43,128.95/x
  3. Step 3: Cross multiply
    122,065.07x = 182,878.91 × 43,128.95
  4. Step 4: Simplify right side
    122,065.07x = 7,887,375,365.44
  5. Step 5: Solve for x
    x = 7,887,375,365.44/122,065.07
  6. Step 6: Final answer
    x = 64,616.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.